InkLoop/NYS Standards/NY-7.SP.2NY-7.SP.2
7th GradeStatistics and Probability60 target questions
Use data from a random sample to draw inferences about a population with an unknown characteristic of interest. Generate multiple samples of the same size to gauge the variation in estimates or predictions.
Sample Practice Questions (3)
1
A random sample of residents in a town of people was asked about their favorite park. The results are shown in the bar chart. Based on this data, how many people in the entire town would you expect to choose Park B?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
2
The box plot below shows the distribution of the number of 'Yes' responses from different random samples of voters regarding a new park proposal. Based on the variation shown in the box plot, which statement is the most valid inference?
AExactly voters in every group of will say yes.
BMost samples resulted in between and 'Yes' responses.
CIt is impossible for a sample to have more than 'Yes' responses.
DThe population mean is exactly .
Multiple choice · diagramSee Answer + Explanation →
3
The bar chart below shows the results of a random sample of residents regarding their favorite park activity. If the town has residents, which inference is most likely supported by the data?
AExactly residents prefer walking.
BAbout residents prefer biking.
CMore residents prefer sports than walking.
DExactly residents prefer sports.
Multiple choice · diagramSee Answer + Explanation →
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NY-7.RP.1Compute unit rates associated with ratios of fractions including ratios of lengths areas and other quantities measured in like or different units.→NY-7.RP.2Recognize and represent proportional relationships between quantities. Decide whether two quantities are in a proportional relationship. Identify the constant of proportionality (unit rate) in tables graphs equations diagrams and verbal descriptions.→NY-7.RP.3Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest tax markups and markdowns gratuities and commissions fees percent increase and decrease percent error.→NY-7.NS.1Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.→